For a desktop experience, install the NetworkManager plugin:
# Ubuntu/Debian
sudo apt install network-manager-openconnect network-manager-openconnect-gnome
The F5 client relies on OpenSSL, PCSC (for smart cards), and libnss. Ensure these are installed:
# Debian/Ubuntu
sudo apt update && sudo apt install -y libssl3 pcscd libnss3-tools curl
Run from terminal:
f5access
Or find in your app menu (F5 Access).
Enter portal URL, username, password, and optional domain/realm.
For many enterprises, F5 BIG-IP APM (Access Policy Manager) is the standard for secure remote access. However, if you are a Linux user, you may have noticed that setting up the VPN client isn't always as straightforward as it is on Windows or macOS. f5 vpn client linux
While F5 provides support for Linux, the installation process often requires using the command line and ensuring specific dependencies are met.
This guide walks you through the different methods to connect to an F5 VPN on Linux, including the command-line installation, potential alternatives like OpenConnect, and troubleshooting the most common errors.
For Linux users, OpenConnect with the --protocol=f5 flag is the gold standard. It is open source, well-maintained, handles 2FA seamlessly, and integrates with desktop environments.
The official F5 CLI (f5fpc) is a solid fallback but lacks polish. Only use it if your security team requires the official binary. For a desktop experience, install the NetworkManager plugin:
With these tools, you can now work remotely from your Linux machine without dual-booting or virtual machines just for VPN access.
F5 Access is primarily a mobile and desktop client for other OSes. On Linux, the "F5 Access" branding is often confused. For most enterprise users, the F5 BIG-IP Edge Client is the correct tool.
Once installed, you can launch the VPN connection from the terminal. This is often the preferred method for Linux power users.
The syntax is generally:
sudo /usr/local/bin/f5fpc -s -t https://vpn.yourcompany.com -u <username>
You will be prompted for your password and potentially an MFA token. Once connected, you will see a "Connected" status.
To check the status of a running connection:
sudo /usr/local/bin/f5fpc -i
To disconnect:
sudo /usr/local/bin/f5fpc -d
OpenConnect is a free, open-source client that supports F5’s SSL VPN protocol. It works more reliably on modern distros. Or find in your app menu (F5 Access)